Beijing (China) has welcomed the season of revelry with its amusement parks firing up their summer carnivals. Shijingshan Amusement Park and Beijing Happy Valley both launched their carnival season on Saturday. The fun will last until the end of August. Dancers perform during the gala at Shijingshan amusement park on Saturday. A spokeswoman for Shijingshan Amusement Park, surnamed Lu, said the...